[stm32] platform and target implementation

target/stm32-p107/include/target/debugconfig.h

@@ -26,5 +26,6 @@
 #include <stm32f10x_usart.h>
 
 #define DEBUG_UART USART3
+#define DEBUG_UART_IRQ USART3_IRQn
 
 #endif

target/stm32-p107/init.c

@@ -50,10 +50,15 @@ void target_early_init(void)
 	init.GPIO_Mode = GPIO_Mode_IN_FLOATING;
 	GPIO_Init(GPIOD, &init);
 
-	stm32_debug_init();
+	stm32_debug_early_init();
 }
 
 void target_init(void)
 {
+	TRACE_ENTRY;
+
+	stm32_debug_init();
+
+	TRACE_EXIT;
 }